IDN

Section: User Commands (1)
Updated: July 2008
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NAME

idn - Internationalized Domain Names command line tool

SYNOPSIS

idn [OPTION]... [STRINGS]...

DESCRIPTION

Internationalized Domain Name (IDN) convert STRINGS, or standard input.

Command line interface to the internationalized domain name library.

All strings are expected to be encoded in the preferred charset used by your locale. Use `--debug' to find out what this charset is. You can override the charset used by setting environment variable CHARSET.

To process a string that starts with `-', for example `-foo', use `--' to signal the end of parameters, as in `idn --quiet -a -- -foo'.

Mandatory arguments to long options are mandatory for short options too.

-h, --help: Print help and exit
-V, --version: Print version and exit
-s, --stringprep: Prepare string according to nameprep profile
-d, --punycode-decode: Decode Punycode
-e, --punycode-encode: Encode Punycode
-a, --idna-to-ascii: Convert to ACE according to IDNA (default mode)
-u, --idna-to-unicode: Convert from ACE according to IDNA
--allow-unassigned: Toggle IDNA AllowUnassigned flag
--usestd3asciirules: Toggle IDNA UseSTD3ASCIIRules flag
-t, --tld: Check string for TLD specific rules Only for --idna-to-ascii and --idna-to-unicode
-n, --nfkc: Normalize string according to Unicode v3.2 NFKC
-p, --profile=STRING: Use specified stringprep profile instead Valid stringprep profiles: `Nameprep', `iSCSI', `Nodeprep', `Resourceprep', `trace', `SASLprep'
--debug: Print debugging information
--quiet: Silent operation

AUTHOR

Written by Simon Josefsson.

REPORTING BUGS

Report bugs to <bug-libidn@gnu.org>.

COPYRIGHT

Copyright © 2008 Simon Josefsson. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.